Distributed systems in an alternative universe · Issue #15 · lukego/blog
Consider distributed system programming in this universe: Computers have 8 cores, 64KB of RAM, and 256KB of SSD. Computers communicate with each other via NFS access to a common file server. NFS servers can be clustered in order to connect a few LANs together. (Each NFS server supports around a dozen computers.) Network interfaces are high-speed: between 100 Gbps and 1 Tbps. Do you recognize that
Tracing JITs and modern CPUs: Part 2 · Issue #6 · lukego/blog
Hi there! Here is a simple exercise to connect the theory and practice of tracing JITs and modern Intel microarchitectures. I write a small example program, see how LuaJIT compiles it to a trace, and then see how a Haswell CPU executes it. This follows on from #5 and #3 respectively. Tracing JIT The program is trivially simple: it uses the Snabb Switch counter module to create a counter object and
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Tracing JITs and modern CPUs part 3: A bad case · Issue #8 · lukego/blog
